12113310111 has 32 divisors (see below), whose sum is σ = 19269009408. Its totient is φ = 6618157920.

The previous prime is 12113310107. The next prime is 12113310137. The reversal of 12113310111 is 11101331121.

It is not a de Polignac number, because 12113310111 - 2² = 12113310107 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12113310151) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1750320 + ... + 1757226.

It is an arithmetic number, because the mean of its divisors is an integer number (602156544).

Almost surely, 2^12113310111 is an apocalyptic number.

12113310111 is a deficient number, since it is larger than the sum of its proper divisors (7155699297).

12113310111 is a wasteful number, since it uses less digits than its factorization.

12113310111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10571.

The product of its (nonzero) digits is 18, while the sum is 15.

Adding to 12113310111 its reverse (11101331121), we get a palindrome (23214641232).

The spelling of 12113310111 in words is "twelve billion, one hundred thirteen million, three hundred ten thousand, one hundred eleven".